Challenge Achieved is described as 'Create challenges, track your progress, share with everyone and push your limits. Could be used as free to do list, productivity app and even as a shopping list!' and is a todo list manager in the office & productivity category. There are more than 100 alternatives to Challenge Achieved, not only websites but also apps for a variety of platforms, including iPhone, Android, Mac and Windows apps. The best Challenge Achieved alternative is Trello, which is free. Other great sites and apps similar to Challenge Achieved are Todoist, Tasks.org, Wekan and TickTick.
TodoTxtMac is a minimalist, keyboard-driven to-do manager for Mac OS X (10.8 Mountain Lion and higher) that conforms to the todo.txt format spec. - mjdescy/TodoTxtMac
Todo Pro is your personal assistant and ready to help you get stuff done. Todo comes with powerful tools to tackle everything from "honey-dos" to important work projects. Pull out all the stops and create shared task lists with your colleagues; make assignments, add...
To Round is an easy-to-use task manager for iOS and Android with clear interface, designed for visual thinkers. It is a simple yet powerful app, which turns a routine activity of getting tasks listed and scheduled into a delightful experience.
Meteor has a simple dependency tracking system which allows it to automatically rerun templates and other computations whenever Session variables, database queries, and other data sources change.
Little Outliner is an easy to learn, entry-level outliner that runs in a web browser.
As simple to use as the sticky notes, laminated cards, T-cards, magnets, stickers and pens used in your meeting rituals today.
GoodTask 3 is a Powerful Task/Project Manager based on iOS Reminders & Calendars. You can use it as simple checklist to focus or as complex project management tool to get big things done.
Taskline, task management software for Microsoft Outlook, automatically schedules tasks to puts you in control of your task list.
Arktik is a checklist tool which does exactly what a checklist tool should: Power-Up Your Efficiency! By reusing (previously defined) checklists, you can break the limits of your memory and attention.
dooity is a light and simple list manager. If you happen to have a high number of small lists then dooity is the right tool for you. Use dooity as your priority list, todo list, idea reminder, etc.
Collect your thoughts in a calm interface with simple natural language like “Water the plants every Saturday” then let Actions take care of reminding you automatically.
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